# Search Results

Showing results 1 to 10 of 10

Source Institutions
In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

1 cent - \$1 per student Ages 11 - 18 1 to 7 days
Source Institutions
In this activity, learners explore accuracy and precision.

Over \$20 per group Ages 8 - 18 2 to 4 hours
Source Institutions
In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.

\$5 - \$10 per group Ages 8 - 14 1 to 2 hours
Source Institutions
In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

\$1 - \$5 per group Ages 11 - 18 1 to 2 hours
Source Institutions
In this math lesson, learners use fruit to learn about proportions and percentages. Learners compare the weights of the edible and non-edible portions of fruit.

\$5 - \$10 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

\$1 - \$5 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
In this activity, learners will investigate the impacts of harmful phytoplankton using NOAA's Coastal Services Center Harmful Algal Bloom Forecasting (HABF) Project data.

free Ages 14 - 18 1 to 2 hours
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Malformed Frogs) is a full inquiry investigation into using indicator species to assess the health of an environment.

Over \$20 per group Ages 8 - 14 1 to 2 hours
Source Institutions
In this math lesson, learners apply the concepts of ratios and percentages to the distribution of letters contained in a box of Alphabits® cereal.

\$1 - \$5 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
In this math activity, learners role-play as wait staff at the Kidtropolis Diner. It's the end of the night and it's time for the staff to collect their tips.

1 cent - \$1 per group Ages 8 - 14 10 to 30 minutes